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main shared4 parbegin p1 p2 parend print shared PowerPoint PPT Presentation
main shared4 parbegin p1 p2 parend print shared - Learn different languages, C, C , Java, Lisp, etc. ... Final grades will be posted on the Blackboard! Good luck in the finals!! Happy Holidays! ...
Learn different languages, C, C , Java, Lisp, etc. ... Final grades will be posted on the Blackboard! Good luck in the finals!! Happy Holidays! ...
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Deadlocks PowerPoint PPT Presentation
Deadlocks - Especifica o de Concorr ncia Professora: L cia Drummond Constru o FORK e JOIN Conway[1963] Dennis e Van Horn[1966] Constru o FORK e JOIN Uma das primeiras ...
Especifica o de Concorr ncia Professora: L cia Drummond Constru o FORK e JOIN Conway[1963] Dennis e Van Horn[1966] Constru o FORK e JOIN Uma das primeiras ...
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Concurrency PowerPoint PPT Presentation
Concurrency - Example: a terminal application shell (OS X) How do you... 1) Create a shell? ... Suspending and resuming process execution is determined by the O.S. ...
Example: a terminal application shell (OS X) How do you... 1) Create a shell? ... Suspending and resuming process execution is determined by the O.S. ...
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Concurrency PowerPoint PPT Presentation
Concurrency - What suffix is used to cause a Unix command to run in the. background? ... null; -- procedure body must be have least one instruction. end Write_em; ...
What suffix is used to cause a Unix command to run in the. background? ... null; -- procedure body must be have least one instruction. end Write_em; ...
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Introduction to Concurrency PowerPoint PPT Presentation
Introduction to Concurrency - Precedence graph: Specifies execution ordering among tasks. S0: A:= X Y. S1: ... Cyclic Precedence Graphs. What does the following graph represent ? S1. S2. S3 ...
Precedence graph: Specifies execution ordering among tasks. S0: A:= X Y. S1: ... Cyclic Precedence Graphs. What does the following graph represent ? S1. S2. S3 ...
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Parallel and Cluster Computing PowerPoint PPT Presentation
Parallel and Cluster Computing - Title: Predictable Network Computing Author: Andreas Polze Last modified by: Andreas Polze Created Date: 5/5/2000 2:22:20 PM Document presentation format
Title: Predictable Network Computing Author: Andreas Polze Last modified by: Andreas Polze Created Date: 5/5/2000 2:22:20 PM Document presentation format
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Program Analysis Techniques for Memory Disambiguation PowerPoint PPT Presentation
Program Analysis Techniques for Memory Disambiguation - Program Analysis Techniques. for Memory Disambiguation. Radu Rugina and Martin Rinard ... (write v into the memory location that p points to) What memory ...
Program Analysis Techniques. for Memory Disambiguation. Radu Rugina and Martin Rinard ... (write v into the memory location that p points to) What memory ...
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Concurrency PowerPoint PPT Presentation
Concurrency - preemption losses. Avoidance. midway between conservative and liberal ... no preemption needed. resources must be known, long blockings ...
preemption losses. Avoidance. midway between conservative and liberal ... no preemption needed. resources must be known, long blockings ...
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Concurrency: Mutual Exclusion and Synchronization PowerPoint PPT Presentation
Concurrency: Mutual Exclusion and Synchronization - Title: Introduction to Object Technology Author: Patty Roy Last modified by: Lydia Sinapova Created Date: 6/26/1999 9:48:38 PM Document presentation format
Title: Introduction to Object Technology Author: Patty Roy Last modified by: Lydia Sinapova Created Date: 6/26/1999 9:48:38 PM Document presentation format
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3 PowerPoint PPT Presentation
3 - Application can be a set of concurrent processes. Operating-system structure ... chin = getchar(); chout = chin; putchar(chout); //uniprocessor. Block from entering ...
Application can be a set of concurrent processes. Operating-system structure ... chin = getchar(); chout = chin; putchar(chout); //uniprocessor. Block from entering ...
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Concurrent Process Synchronization (Lock and semaphore) PowerPoint PPT Presentation
Concurrent Process Synchronization (Lock and semaphore) - forever. Is deadlock possible? 9/21/00. CSE 380. 14. University of Pennsylvania ... 9/21/00. CSE 380. 17. University of Pennsylvania. A Solution to the R/W ...
forever. Is deadlock possible? 9/21/00. CSE 380. 14. University of Pennsylvania ... 9/21/00. CSE 380. 17. University of Pennsylvania. A Solution to the R/W ...
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Lecture 09 Message Passing PowerPoint PPT Presentation
Lecture 09 Message Passing - The send primitive includes a specific identifier of the destination process. send(P,message) ... explicitly designate a sending process. receive(Q,message) ...
The send primitive includes a specific identifier of the destination process. send(P,message) ... explicitly designate a sending process. receive(Q,message) ...
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Classic Problems in Concurrency PowerPoint PPT Presentation
Classic Problems in Concurrency - One mailbox for each reader and writer : mbox[ j ] ... Three additional mailboxes. readrequest. writerequest. finished. 9. Message passing solution ...
One mailbox for each reader and writer : mbox[ j ] ... Three additional mailboxes. readrequest. writerequest. finished. 9. Message passing solution ...
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Lecture 04 Process Interaction PowerPoint PPT Presentation
Lecture 04 Process Interaction - W. Stalling s& M.B. Ib ez. Lecture 04. Process Interaction ... W. Stalling s& M.B. Ib ez. Operating System Concerns. Keep track of active processes ...
W. Stalling s& M.B. Ib ez. Lecture 04. Process Interaction ... W. Stalling s& M.B. Ib ez. Operating System Concerns. Keep track of active processes ...
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:Abstract formal model of information flow PowerPoint PPT Presentation
:Abstract formal model of information flow - Petri Net:Abstract formal model of information flow Major use: Modeling of systems of events in which it is possible for some events to occur concurrently, but there ...
Petri Net:Abstract formal model of information flow Major use: Modeling of systems of events in which it is possible for some events to occur concurrently, but there ...
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1.3. PROGRAMACION PARALELA PowerPoint PPT Presentation
1.3. PROGRAMACION PARALELA - 1.3. PROGRAMACION PARALELA El enfoque tradicional, consiste en extraer el paralelismo de los lenguajes actuales (C++, Fortran, Ada, Prolog, Lisp, etc).
1.3. PROGRAMACION PARALELA El enfoque tradicional, consiste en extraer el paralelismo de los lenguajes actuales (C++, Fortran, Ada, Prolog, Lisp, etc).
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The Structure of THE Multiprogramming System PowerPoint PPT Presentation
The Structure of THE Multiprogramming System - Each layer builds an abstraction hiding the details below it ... Modularity and information hiding. Each layer can be tested and verified independently ...
Each layer builds an abstraction hiding the details below it ... Modularity and information hiding. Each layer can be tested and verified independently ...
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Distributed System Design: An Overview* PowerPoint PPT Presentation
Distributed System Design: An Overview* - Distributed System Design: An Overview* Jie Wu Department of Computer Science and Engineering Florida Atlantic University Boca Raton, FL 33431 U.S.A.
Distributed System Design: An Overview* Jie Wu Department of Computer Science and Engineering Florida Atlantic University Boca Raton, FL 33431 U.S.A.
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Chapter 6 Multiprocessor System PowerPoint PPT Presentation
Chapter 6 Multiprocessor System - Chapter 6 Multiprocessor System Introduction Each processor in a multiprocessor system can be executing a different instruction at any time. The major advantages of ...
Chapter 6 Multiprocessor System Introduction Each processor in a multiprocessor system can be executing a different instruction at any time. The major advantages of ...
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What makes a good language PowerPoint PPT Presentation
What makes a good language - What makes a good language Does the task you want Keeps you from making mistakes Supports debugging when you need it Has a strong tool kit
What makes a good language Does the task you want Keeps you from making mistakes Supports debugging when you need it Has a strong tool kit
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Solutions of a Problem in Concurrent Programming PowerPoint PPT Presentation
Solutions of a Problem in Concurrent Programming - Basic Goals of Dijkstra's Solution. Symmetric between N computers ... Dijkstra's Solution ... Problems in Dijkstra's Solution ...
Basic Goals of Dijkstra's Solution. Symmetric between N computers ... Dijkstra's Solution ... Problems in Dijkstra's Solution ...
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The Resource Sharing Issues PowerPoint PPT Presentation
The Resource Sharing Issues - If more than one process wishes to use the resource R then for any ... key TRUE; /* Signals Intension */ while (waiting[i] ) and key do. key = Test_Set (Lock) ...
If more than one process wishes to use the resource R then for any ... key TRUE; /* Signals Intension */ while (waiting[i] ) and key do. key = Test_Set (Lock) ...
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Concurrency: Mutual Exclusion and Synchronization PowerPoint PPT Presentation
Concurrency: Mutual Exclusion and Synchronization - Lecture #5 Concurrency: Mutual Exclusion and Synchronization ( ) * The central themes of operating system design are all concerned with the ...
Lecture #5 Concurrency: Mutual Exclusion and Synchronization ( ) * The central themes of operating system design are all concerned with the ...
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Chapter 6 Process Synchronization Part I: Basics PowerPoint PPT Presentation
Chapter 6 Process Synchronization Part I: Basics - ... to bounded-buffer problem allows at most n 1 items in buffer at the same time. ... If processes Pi and Pj receive the same number, if i j, then Pi is served ...
... to bounded-buffer problem allows at most n 1 items in buffer at the same time. ... If processes Pi and Pj receive the same number, if i j, then Pi is served ...
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What makes a good language PowerPoint PPT Presentation
What makes a good language - ... Agency exploded just forty seconds after its lift-off from Kourou, French Guiana. The rocket was on its first voyage, after a decade of development costing $7 ...
... Agency exploded just forty seconds after its lift-off from Kourou, French Guiana. The rocket was on its first voyage, after a decade of development costing $7 ...
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Module 2.2: Process Synchronization PowerPoint PPT Presentation
Module 2.2: Process Synchronization - Module 2.2: Process Synchronization Too Much Milk Story Examples of Shared Variable Problem Mutual Exclusion Solutions to ME Semaphores Critical Regions
Module 2.2: Process Synchronization Too Much Milk Story Examples of Shared Variable Problem Mutual Exclusion Solutions to ME Semaphores Critical Regions
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Charlotte: Metacomputing on the Web PowerPoint PPT Presentation
Charlotte: Metacomputing on the Web - Charlotte: Metacomputing on the Web
Charlotte: Metacomputing on the Web
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Characteristics of RTS PowerPoint PPT Presentation
Characteristics of RTS - Characteristics of RTS Large and complex Concurrent control of separate system components Facilities to interact with special purpose hardware. Guaranteed response times
Characteristics of RTS Large and complex Concurrent control of separate system components Facilities to interact with special purpose hardware. Guaranteed response times
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Distributed System Design: An Overview* PowerPoint PPT Presentation
Distributed System Design: An Overview* - ... sensor nets of millions of ... fault tolerant deadlock-free. Scheduling static and dynamic load ... in Ad Hoc Wireless Networks The dynamic nature of ad hoc ...
... sensor nets of millions of ... fault tolerant deadlock-free. Scheduling static and dynamic load ... in Ad Hoc Wireless Networks The dynamic nature of ad hoc ...
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Synchronization Primitive Semaphores PowerPoint PPT Presentation
Synchronization Primitive Semaphores - Concurrent processes cannot be overlapped, only interleaved ... errno == EINVAL if semaphore doesnt exist. Semaphore Operations. int sem_trywait(sem_t *sem) ...
Concurrent processes cannot be overlapped, only interleaved ... errno == EINVAL if semaphore doesnt exist. Semaphore Operations. int sem_trywait(sem_t *sem) ...
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Module 2.2: Process Synchronization PowerPoint PPT Presentation
Module 2.2: Process Synchronization - A Shared variable V is introduced; each time a character is typed, a ... typical solution would involve a shared variable count (recall previous example) ...
A Shared variable V is introduced; each time a character is typed, a ... typical solution would involve a shared variable count (recall previous example) ...
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Chapter 5 Concurrency: Mutual Exclusion and Synchronization Part 1 PowerPoint PPT Presentation
Chapter 5 Concurrency: Mutual Exclusion and Synchronization Part 1 - CS 472 Operating Systems. Indiana University Purdue University Fort Wayne. 2 ... When these processes all terminate, the current method is resumed ...
CS 472 Operating Systems. Indiana University Purdue University Fort Wayne. 2 ... When these processes all terminate, the current method is resumed ...
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Algorithms PowerPoint PPT Presentation
Algorithms - Recipes for doing computations. The underpinnings of programming. Think out your algorithm ... Chocolate chip cookie algorithm. Algorithm testing. Proof of the ...
Recipes for doing computations. The underpinnings of programming. Think out your algorithm ... Chocolate chip cookie algorithm. Algorithm testing. Proof of the ...
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Objectives of these slides: PowerPoint PPT Presentation
Objectives of these slides: - Server Architectures Computer Network and Distributed Processing. Objectives of ... D.B. Skillicorn, D. Talia. ACM Computing Surveys. Vol. 30, No. 2, June 1998 ...
Server Architectures Computer Network and Distributed Processing. Objectives of ... D.B. Skillicorn, D. Talia. ACM Computing Surveys. Vol. 30, No. 2, June 1998 ...
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Pointer Analysis for Multithreaded Programs PowerPoint PPT Presentation
Pointer Analysis for Multithreaded Programs - is the union of points-to edges created by all other concurrent threads ... if the concurrent threads do not (pointer-)interfere then this ...
is the union of points-to edges created by all other concurrent threads ... if the concurrent threads do not (pointer-)interfere then this ...
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SEMAFOROS PowerPoint PPT Presentation
SEMAFOROS - Para evitar estas dificultades una nueva herramienta de sincronizacion, llamada ' ... Note que es absolutamente indispensable que la operacion V(llenos) sea precedida ...
Para evitar estas dificultades una nueva herramienta de sincronizacion, llamada ' ... Note que es absolutamente indispensable que la operacion V(llenos) sea precedida ...
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Process Synchronization PowerPoint PPT Presentation
Process Synchronization - Bakery Algorithm. Critical-section algorithm for n processes ... Bakery Algorithm. lexicographical order (ticket #, process id ...
Bakery Algorithm. Critical-section algorithm for n processes ... Bakery Algorithm. lexicographical order (ticket #, process id ...
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Characteristics of RTS PowerPoint PPT Presentation
Characteristics of RTS - Most notably, tasks can address memory directly while processes cannot; and ... Virtually all real-time systems are inherently concurrent devices operate in ...
Most notably, tasks can address memory directly while processes cannot; and ... Virtually all real-time systems are inherently concurrent devices operate in ...
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Characteristics of RTS PowerPoint PPT Presentation
Characteristics of RTS - To illustrate the requirements for concurrent programming ... to study parallelism without getting bogged down in the implementation details ...
To illustrate the requirements for concurrent programming ... to study parallelism without getting bogged down in the implementation details ...
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Chapter 6.3: Process Synchronization Part 3 PowerPoint PPT Presentation
Chapter 6.3: Process Synchronization Part 3 - Chapter 6.3: Process Synchronization Part 3 Readers-Writers Problem more 1 Problem is that solutions to the Readers-Writers issue may result in starvation.
Chapter 6.3: Process Synchronization Part 3 Readers-Writers Problem more 1 Problem is that solutions to the Readers-Writers issue may result in starvation.
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The Resource Sharing Issues PowerPoint PPT Presentation
The Resource Sharing Issues - END /* ELSE ... end TestSet. 11/9/09. PSD Resource_Allocation ... unsigned short int Rear,Front; // Queue Pointers. int Count ; // Number of Waiting processes } ...
END /* ELSE ... end TestSet. 11/9/09. PSD Resource_Allocation ... unsigned short int Rear,Front; // Queue Pointers. int Count ; // Number of Waiting processes } ...
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CIS 3718 PowerPoint PPT Presentation
CIS 3718 - ... Data Stream. processes one instruction at a time, processes data from one data stream at a ... Instruction, Multiple Data Stream. multiprocessors. 4/4/01 ...
... Data Stream. processes one instruction at a time, processes data from one data stream at a ... Instruction, Multiple Data Stream. multiprocessors. 4/4/01 ...
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Tema 3: Coordinacin y Sincronizacin de Procesos PowerPoint PPT Presentation
Tema 3: Coordinacin y Sincronizacin de Procesos - Instrucciones Especiales de la M quina: Test&Set. 3.3. ... Dadas dos instrucciones I1 y I2 de dos procesos P1 y P2, podemos distinguir dos casos ...
Instrucciones Especiales de la M quina: Test&Set. 3.3. ... Dadas dos instrucciones I1 y I2 de dos procesos P1 y P2, podemos distinguir dos casos ...
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